public void CanDeleteSubgroup()
{
using (EF_ZMT_DbContext.EF_ZMT_DbContext context = new EF_ZMT_DbContext.EF_ZMT_DbContext())
{
FixedAssetService transaction = new FixedAssetService();
context.Context.ExecuteStoreCommand("DELETE FROM Subgroup");
Subgroup subgroup = new Subgroup() { name = "Środki wysokiej wartości", short_name = "N491" };
transaction.AddSubgroup(subgroup);
Assert.AreEqual(context.Context.Subgroups.Count(), 1);
subgroup = context.Context.Subgroups.FirstOrDefault(x => x.short_name == "N491");
Assert.IsNotNull(subgroup);
Assert.AreEqual(subgroup.name, "Środki wysokiej wartości");
transaction.DeleteSubgroup(subgroup);
Assert.AreEqual(context.Context.Subgroups.Count(), 0);
subgroup = context.Context.Subgroups.FirstOrDefault(x => x.short_name == "N491");
Assert.IsNull(subgroup);
}
}